Interactive touchscreen and sensor array

Abstract

An object detection system for capturing one or more sensor images of an object is provided that includes a touch system including a touch-sensitive screen and a display of a device. The object detection system also includes a sensor system including a sensor array and a processing component. The sensor array is coupled to the touch-sensitive screen, and the processing component is configured to capture one or more images of an object when the object is detected by the touch-sensitive screen. At least a portion of the sensor array overlaps with at least a portion of the touch-sensitive screen.

What is claimed is: 
     
         1 . A system for capturing one or more sensor images of an object, the system comprising:
 a touch system including a touch-sensitive screen and a display of a device; and   a sensor system including a sensor array and a processing component, wherein the sensor array is coupled to the touch-sensitive screen and the processing component is configured to capture one or more images of an object when the object is detected by the touch-sensitive screen, and wherein at least a portion of the sensor array overlaps with at least a portion of the touch-sensitive screen.   
     
     
         2 . The system of  claim 1 , wherein the sensor array is an ultrasonic sensor array that transmits and receives ultrasonic waves. 
     
     
         3 . The system of  claim 2 , wherein the processing component extracts ultrasonic signals detected by the ultrasonic sensor array and captures one or more ultrasonic images of an object. 
     
     
         4 . The system of  claim 1 , further including:
 an object detection system including the touch system and the sensor system, wherein the object detection system determines one or more parameters based on an interaction with the object and captures the one or more sensor images based on the one or more parameters,   wherein the one or more parameters is at least one parameter selected from the group consisting of a location of the object, a size of the object, a movement of the object, and a duration of time in which the object touches the touch-sensitive screen of the device.   
     
     
         5 . The system of  claim 1 , further including:
 an object detection system including the touch system and the sensor system, wherein the object detection system determines one or more parameters based on an interaction with the object and captures the one or more sensor images based on the one or more parameters,   wherein the object is one or more of a user's fingers and a parameter of the one or more parameters includes the number of fingers.   
     
     
         6 . The system of  claim 1 , wherein the object is a finger, and wherein the touch-sensitive screen is configured to detect the finger on a surface of the touch-sensitive screen. 
     
     
         7 . The system of  claim 1 , wherein the touch system is configured to detect an outline based on the object's touch on the surface of the touch-sensitive screen. 
     
     
         8 . The system of  claim 7 , wherein the processing component stitches one or more image templates with the one or more captured images, and determines a new image template based on the stitched one or more image templates with the one or more captured images. 
     
     
         9 . The system of  claim 7 , wherein the processing component extracts one or more features from the one or more captured images, stitches one or more feature templates with the one or more extracted features, and determines a new feature template based on the stitched one or more feature templates with the one or more extracted features. 
     
     
         10 . The system of  claim 7 , wherein the processing component identifies an imaging region based on the finger outline and insonifies the imaging region to capture the one or more images of the object. 
     
     
         11 . The system of  claim 1 , wherein the object is a stylus. 
     
     
         12 . The system of  claim 11 , wherein the sensor system reconfigures the touch-sensitive screen for sensing the stylus. 
     
     
         13 . The system of  claim 1 , wherein the sensor array is positioned underneath the touch-sensitive screen. 
     
     
         14 . The system of  claim 1 , wherein the sensor array is incorporated into the touch-sensitive screen. 
     
     
         15 . The system of  claim 1 , wherein the touch-sensitive screen is above the display. 
     
     
         16 . The system of  claim 1 , wherein the touch-sensitive screen is incorporated into the display. 
     
     
         17 . The system of  claim 1 , wherein the device is at least one of a smartphone, tablet computer, wearable health monitor, personal digital assistant, or laptop. 
     
     
         18 . The system of  claim 1 , wherein the object is a finger, and wherein the touch system includes capacitive electrodes that are configured to detect liveness of the finger. 
     
     
         19 . The system of  claim 18 , wherein the capacitive electrodes are incorporated into the touch-sensitive screen. 
     
     
         20 . The system of  claim 18 , wherein the capacitive electrodes are peripheral to the sensor array. 
     
     
         21 . The system of  claim 18 , wherein the capacitive electrodes are segmented on an upper layer of the sensor array. 
     
     
         22 . The system of  claim 1 , wherein the object is a fingerprint. 
     
     
         23 . The system of  claim 1 , wherein the sensor array captures the one or more images of the object. 
     
     
         24 . A method of capturing one or more sensor images of an object, the method comprising:
 detecting, by a sensor array coupled to a touch-sensitive screen of a device, signals reflected from the object with respect to the touch-sensitive screen; and   capturing, based on the reflected signals, one or more images of the object, wherein at least a portion of the sensor array overlaps with at least a portion of the touch-sensitive screen.   
     
     
         25 . The method of  claim 24 , further including:
 determining an object outline based on detecting the object's touch on a surface of the touch-sensitive screen;   determining a rotation of the object from the object outline;   identifying an image template based on the object outline and the rotation, the image template being a partial image of the object;   stitching one or more images of the object with the image template; and   creating a new image template based on the stitching.   
     
     
         26 . The method of  claim 24 , further including:
 determining an object outline based on detecting the object's touch on a surface of the touch-sensitive screen;   determining a rotation of the object from the object outline;   extracting one or more features from the one or more captured images;   identifying a feature template based on the object outline, rotation, and extracted features, the feature template being a partial image of the object;   stitching one or more features of the object with the feature template; and   creating a new feature template based on the stitching.   
     
     
         27 . A computer-readable medium having stored thereon computer-executable instructions for performing operations, comprising:
 detecting, by a sensor array coupled to a touch-sensitive screen of a device, signals reflected from an object with respect to the touch-sensitive screen; and   capturing, based on the reflected signals, one or more images of the object, wherein at least a portion of the sensor array overlaps with at least a portion of the touch-sensitive screen.   
     
     
         28 . The computer-readable medium of  claim 27 , the computer-executable instructions for performing operations further including:
 determining one or more parameters based on an interaction with the object; and   capturing the one or more images of the object based on the one or more parameters.   
     
     
         29 . A system for capturing one or more sensor images of an object, comprising:
 means for detecting signals reflected from the object with respect to a touch-sensitive screen of a device; and   means for capturing one or more images of the object based on the reflected signals, wherein when the object is located above the means for capturing the one or more images, the object is located above at least a portion of the touch-sensitive screen.   
     
     
         30 . The system of  claim 29 , further including:
 means for determining one or more parameters based on an interaction with the object; and   means for capturing the one or more images of the object based on the one or more parameters.